Disassembling The Carburetor; Checking The Carburetor - Yamaha 2004 Rhino 660 YXR660FAS Service Manual

CARBURETOR

DISASSEMBLING THE CARBURETOR

NOTE:
Before disassembling the carburetor, make
sure to note the number of times the pilot
screw is turned out from the seated position to
its set position.

CHECKING THE CARBURETOR

1. Check:
• carburetor body
• float chamber
Cracks/damage → Replace.
• fuel passage
Contamination → Clean as indicated.
• fuel chamber body
Contamination → Clean.
M MMM M MMM M M MMM M
a. Wash the carburetor in a petroleum based
solvent.
(Do not use any caustic carburetor cleaning
solution.)
b. Blow out all of the passages and jets with
compressed air.
L LLL L LLL L L LLL L
2. Check:
• float 1
• float tang 2
Damage → Replace.
3. Check:
• needle valve seat 1
• needle valve 2
• O-ring 3
Contamination/wear/damage → Replace as
a set.
NOTE:
Always replace the needle valve and valve
seat as a set.
6 - 8
FUEL
M MMM M M MMM M M MMM M MMM
L LLL L L LLL L L LLL L LLL